Deep cavity [CpFe(arene)]+ derivatized cyclotriveratrylenes as anion hosts

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K. Travis Holman, G. William Orr, Jerry L. Atwood and Jonathan W. Steed


Abstract

Even in the absence of hydrogen bonding functionality, [CpFe(arene)]+ derivatized cyclotriveratrylenes 5 will bind anionic substrates (i.e. [PF6], halides) deep within their preorganized molecular cavities. The crystal structure of 5b[PF6]3·(CH3CH2OCH2CH3)1.5·(H2O) demonstrates the [5b⊂(PF6)]2+ complex and solution halide binding is monitored by 1H NMR spectroscopy.


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